-75% is the change from 488 to 122
Calculation steps:
[( 122 - 488 ) ÷ 488] x 100 = -75%
Formula
Percentage change = [(122 - 488) / 488] x 100
Subtract the new number by the original number
122 - 488 = -366
-366 ÷ 488 = -0.75
-0.75 x 100 = -75%
Example